Sentences with phrase «crop yields go»

«If crop yields go down 10, 20, 30 percent, that would have had an enormous impact across the world in terms of food security,» he said.
How could they show that drought lowers crop yield while crop yields go up?
While genetically modified plants, fertilizers and pesticides have made crop yields go a long way, the momentum sparked a couple of decades ago is steadily running out.
But then there are other components with competing potential outcomes — for instance, will a change of three degrees make crop yields go up or down?
Wasn't there a recent paper that showed crop yields went down with rising temperatures?

Not exact matches

And I mean as the delicious irony of this business, we're worried about what the crop's going to be this year and when it's going to yield and we're already talking about pricing for the spring of» 13.
If we doubled the atmospheric content of CO2, young pine trees would grow at twice the rate and nearly every crop yield would go up 30 to 40 %.
«We knew going into this that organic agriculture is less productive in terms of crop yields than conventional agriculture,» Crowder says.
«I was told it's not only going to reduce the use of toxic chemicals, but crops will fertilize themselves, produce high yields and make famine a thing of the past because the crops will be resistant to stress, cold, drought and heat.
In 1985, Vietnam achieved self - sufficiency in rice and then went on to continue to increase its production due to supportive government policies, and its adoption of better crop management strategies and new high - yielding rice varieties.
But the study went a step further, comparing crop yields on conventional farms to those on organic farms where cover crops were planted and crops were rotated to build soil health.
Higher yields and more crops grown in the same area of land means fewer minerals from the soil go to each plant.
Sell this to the farmer where if you could quantify every factor that goes into growing a crop for a year you could predict the crop yield for the Average effective farmer.
An ever - expanding global population will require an increase in food production and crop yields, and that is only going to be possible through higher fertilizer use in agriculture.
A sales person persuades you as a farmer to buy Monsanto seeds, either because the crop yield is going to be better, availability of your normal seed is not there or 101 other good reasons.
Conversely, other impacts, such as declining crop yields in the United States, might not happen until we go above the threshold.
Since estimated CO2 levels in 1900 (290 ppmv) were not that much higher than those in pre-industrial times (280 ppmv), one could roughly estimate that going back to pre-industrial CO2 levels would result in an equivalent reduction in crop yields.
As 20th century temperatures have risen, crop yields have gone up.
If we are going to use waste oils and existing high oil - yielding crops (grown sustainably), then yes.
Almost all of this derives from corn, with one bushel of corn yielding about 2.7 gallons of ethanol and about 28 % of the U.S. corn crop going toward ethanol production.
As bee populations dwindle, crop yields also decrease, and it's only going to get worse if we don't act.
If we doubled the atmospheric content of CO2, young pine trees would grow at twice the rate and nearly every crop yield would go up 30 to 40 %.
Project leader, Mburu Waiganjo told us «What makes me personally proud is the fact that our project has reversed a forest degradation trend and the «don't care» attitude towards the forest conservation that had prevailed has now gone and yielded the current lush green forest that is teeming with wildlife noises from the birds, the beauty of the butterflies and other insects which are evidently useful in pollination of crops in the forest - adjacent farms.
As far as crops go, the problem is this: Changes to the hydrological cycle as a result of global warming may be neutral on a 100 - year timescale, as far as crop yields are concerned.
C / If global temperatures decline and through stupidity after some way is found to limit and reduce CO2, global CO2 levels are reduced through the efforts of activist climate science establishment then the world will go hungry as the world's farmers will not be able to grow enough food as both yields and cropped area are reduced due to cooler or colder temperatures and reduced amounts of that essential plant food, CO2 other wise known as that planet destroying «carbon».
Crop yields would go down by a lot more than 40 % in that scenario, too.
When it comes to climate change science it seems like each new week brings a fresh study showing how much crop yields are going to decline, how much less water many places are going to have, how quickly sea level rise is going to happen, how many more infectious diseases are going to spread, et cetera, et cetera.
A lot of hungry animals will be going after any such heat - tolerant crop plants, as wildland yields get impacted by climate.
Whether for enhancing crop yields or storing massive amounts of carbon in the soil as part of a geoengineering plan, biochar certainly has a bit of a buzz going around it of late.
Are we going to get hail, what effect could this storm have upon my crop yield.
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